Article-forming apparatus



Jan. 20, 1931. P. J. KNAUS v 1,789,469

ARTICLE FORMING APPARATUS Filed 061i. 30. 1926 2 Sharks-Shut 1 Jan. 20, 1931. P. J. KNAUS ARTICLE FORMING APPARATUS Filed Oct.. 50. 1926 2 $h06t$-$h6et 2 MVm/a/ u fe/en/ M444; v

III IIIIIIII II In I III II I I II IL.|IIII I I llIIII I III v I IIIIIIIIIIIIII ||III| IIIIIIIIIIIIL I HHU I HHHH HUHI IHHIIlIL Z s V i Wlthm the cav ties n the moldsectmns, and ring and pin, dowel {means for accurately: aligning the-frame membersifoncausmg the I 7 ing oppositely disposed annular frame mem 1 bers provided with intersecting; grooves theremthrough which a fluid may. How, 'a

plurality ofmold sections secured in circular series to each of the frame members, and ring and pin dowel means for accurately aligning 'the frame members so that the mold sections molds.

coact to 2. An apparatus forminghOlIQvvartL cles fromvulcanizable materials, which com prises opposltely dlsposed annulari frame members, each of which jisfprovi'dedv with a plurality of intersecting grooves through; which a fluidmay 'flow, a-plurality of mold sections provided with mold cavities secured,

in a circular series to each ofthe' moldsec tions, a plurality of removable cores lnserted Imold sections to ,coact toform complete'molds;

cles from vulcaniz able material-s c prisesfa pair ofoppositely disp p frame members; each of which is provided with Y a plurality of intersecting, grooves through" which a,- hot *vulcani z'ing medium 7 may flow, a plurality ofinter changeable mold 3. An apparatus for forming-hollovra'rtiichcjomsections providedfon one sideywith aimold cavity and on thej'oth-er side with a plurality of dowel receiving sockets, "aiplurality of circularly disposed dowelpins'carried by each of the frame members designed to cooperate withthe sockets in the mold'sections-r't oac V curately positionth'e sections with 'respect.

to the frame members,-meansson each oftthe frame members for securing; a plurality of thexsections thereto, a pluralityy'of removable cores inserted within the mold; cavities, one of the frame members jfprovidedfjwithdowel receiving depressions and; "the other frame member provided; with-upstanding dowel I p 7 means designed toengage With the'depres-Q.;.

sions to accurately align the frameimembers form. a circular series of complete i a Liside with an annularrecess medially of which are provided a i circular series of openings concentric therewith, a plurality of dowel" pins spaced incircularrows within and 'concentric with the recess, a'plurali'ty-of remov able and interchangeable mold sections, each l of which is provided on-one side =withmoldt r cavities and on the other side with a threaded ll "respect tofthe frame memberfa plurality er threadedisecuringlmembers inserted through y H the openings in' the recess fof the frame mem e iber and-threaded into the-recesses in'the mold 1 annular Rio A annular' framefmeinber provided on one side with .aplurality "of circular grooves and a I plurality [of radial. grooves; intersecting the:

circular grooves and'provided on the otherf recess, and a plurality of dowel-receiving de-V pressions' designed to cooperate with the dowel pins toposition the mold sections with sections to secure the-latter in po'sitionfa :7

pair of oppositely jdisposedsears on the outer circumference oftheframe-member', a dowel" pinsecured'in each-of the ears, a ring dowel portion formed" nearlthe outer periphery-7 0i the frame' membe'r, a-- second annular frame" memb'er provided Withfopenings for theopposed dowel pinsin the firstmenti'oned frame .memb'er,,a plurality-of mold sections secured a :1 p

10o a ring dowel on the latter member designed i to cooperate with the ring dowel on the-first member, the ringand pin dowels on the 'frame members coactin'gto position themold 'sectionstoform completemoldsjf. In witness whereofl l'thereunto subscribe r my namethi-s 22ndfdaybf October A. D., I c

.;1 Er Er JoHN;KarUS; i

to} thesecond' mentioned frame member, and

' and cause the moldsections to -coact;to*form a circular series ofcomplete molds,

e. In an article forming apparatus,- -an annular framemember, a plurality'of mold sections secured thereto, dowel means toposij 1 tion the mold sections with respect to [the frame member, a'--pairf:of ears disposed on opposite edgesof the framefmember', a dowel pin secured in each ofthelears, a ring dowel; it

portion formed near the outer periphery of the frame member, a secondfannular frame 7 member, a pluralityofmoldsections secured thereto, means to position the 'mold'sections with respect tothesecondjframe member, a

pair of ears upon opposite side-sot thesecond I frame member provided with openings for: the insertion of the dowel pins onfthe first f; mentioned frame member, and a ring dowel f 

